<!DOCTYPE html>
<html>
<head>
  <title>Active Elements Fixture</title>
  <style>
    body {
      height: 300px;
    }

    *:focus {
      outline: 4px solid blue
    }
  </style>
</head>

<body>
  one
  <input id="one" />
  two
  <input id="two" />
</body>

</html>
